Objective To evaluate the expression of Matrix metalloproteinase 2 (MMP 2) in colorectaltumor epithelial cells and mesenchymal cells.
目的探讨结直肠癌肿瘤实质及肿瘤间质中基质金属蛋白酶- 2 (MMP - 2)的表达及其病理学意义。
3
To investigate the changes of systemic immune function in patients undergoing laparoscopy-assisted colorectaltumor surgery during peri-operation period.